Technical Data
10-26
7SA6 Manual
C53000-G1176-C156
Logarithmic inverse:
Note: For currents
I
/
3I0P
≥
35 the tripping time is constant.
Figure 10-4
Trip time characteristics of inverse time overcurrent protection with logarithmic
inverse characteristic
Figure 10-5
Trip time characteristics of the zero sequence voltage protection U
0inv.
1
2
3
4
5
6
7
10
20
30
40
0
2
4
6
8
I
/
3I0P
t/s
T 3I0Pmax
T 3I0Pmin
3I0P–FACTOR
T 3I0P
1.00
1.35
1.70
8
t
T
3I0Pmax
T
3I0P
ln(I/3I0P)
⋅
–
=
0
20
40
60
80
100
120
140
0.1
0.2
0.3
0.4
0.5
0.7
1
2
3
4
5
10
t/s
3U
0
/V
1 V
2 V
3 V
4 V
5 V
U
0
inverse:
with U
0min
= parameter
U0inv. minimum
(Adr.
3183
)
t
2 s
0,25 U
0
V
⁄
U
0min
V
⁄
–
-------------------------------------------------------------
=
Parameter:
U0inv. mini-
mum
Содержание siprotec 7SA6
Страница 2: ...Siemens Aktiengesellschaft Book No C53000 G1176 C156 2 ...
Страница 18: ...xviii 7SA6 Manual C53000 G1176 C156 2 ...
Страница 32: ...Introduction 1 14 7SA6 Manual C53000 G1176 C156 2 ...
Страница 82: ...Hardware and Connections 2 50 7SA6 Manual C53000 G1176 C156 2 ...
Страница 119: ...SIPROTEC 4 Devices 4 25 7SA6 Manual C53000 G1176 C156 2 Figure 4 20 CFC Logic example ...
Страница 190: ...Configuration 5 62 7SA6 Manual C53000 G1176 C156 2 ...
Страница 559: ...Control During Operation 7 45 7SA6 Manual C53000 G1176 C156 2 Figure 7 45 Circuit breaker trip test in DIGSI 4 ...
Страница 652: ...Installation and Commissioning 8 78 7SA6 Manual C53000 G1176 C156 2 ...
Страница 724: ...Technical Data 10 56 7SA6 Manual C53000 G1176 C156 ...
Страница 800: ...Appendix A 76 7SA6 Manual C53000 G1176 C156 2 ...
Страница 866: ...Appendix B 66 7SA6 Manual C53000 G1176 C156 2 ...